butyl 3-[3-(5-bromopyrimidin-2-yl)benzyl]-1,2,4-triazolo[4,3-b]pyridazine-6-carboxylate

Base Information

Chemical Name:butyl 3-[3-(5-bromopyrimidin-2-yl)benzyl]-1,2,4-triazolo[4,3-b]pyridazine-6-carboxylate
CAS No.:1231994-89-0
Molecular Formula:C₂₁H₁₉BrN₆O₂
Molecular Weight:467.325
Hs Code.:

Synonyms:butyl 3-[3-(5-bromopyrimidin-2-yl)benzyl]-1,2,4-triazolo[4,3-b]pyridazine-6-carboxylate

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Chemical Property of butyl 3-[3-(5-bromopyrimidin-2-yl)benzyl]-1,2,4-triazolo[4,3-b]pyridazine-6-carboxylate

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Technology Process of butyl 3-[3-(5-bromopyrimidin-2-yl)benzyl]-1,2,4-triazolo[4,3-b]pyridazine-6-carboxylate

There total 6 articles about butyl 3-[3-(5-bromopyrimidin-2-yl)benzyl]-1,2,4-triazolo[4,3-b]pyridazine-6-carboxylate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

: 1201930-30-4
[3-(5-bromopyrimidin-2-yl)phenyl]acetohydrazide

: 65202-50-8
methyl 6-chloro-3-pyridazinecarboxylate

: 71-36-3
butan-1-ol

: 1231994-88-9
methyl 3-[3-(5-bromopyrimidin-2-yl)benzyl]-1,2,4-triazolo[4,3-b]pyridazine-6-carboxylate

: 1231994-89-0
butyl 3-[3-(5-bromopyrimidin-2-yl)benzyl]-1,2,4-triazolo[4,3-b]pyridazine-6-carboxylate

Guidance literature:: With potassium iodide; at 130 ℃;

Reference yield:

: 1878-67-7
3-Bromophenylacetic acid

: 1231994-88-9
methyl 3-[3-(5-bromopyrimidin-2-yl)benzyl]-1,2,4-triazolo[4,3-b]pyridazine-6-carboxylate

: 1231994-89-0
butyl 3-[3-(5-bromopyrimidin-2-yl)benzyl]-1,2,4-triazolo[4,3-b]pyridazine-6-carboxylate

Guidance literature:: Multi-step reaction with 5 steps

1.1: thionyl chloride / 2 h / 10 - 20 °C

2.1: potassium acetate / (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / N,N-dimethyl-formamide / 96 h / 80 °C

3.1: potassium carbonate / (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / toluene; ethanol / 20 h / 80 °C

3.2: 24 h / 80 °C

3.3: pH 6

4.1: hydrazine hydrate / methanol / 20 h / 70 °C

5.1: potassium iodide / 130 °C

With thionyl chloride; potassium acetate; potassium carbonate; hydrazine hydrate; potassium iodide; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; In methanol; ethanol; N,N-dimethyl-formamide; toluene;

Reference yield:

: 150529-73-0
methyl 2-(3-bromophenyl)acetatee

: 1231994-88-9
methyl 3-[3-(5-bromopyrimidin-2-yl)benzyl]-1,2,4-triazolo[4,3-b]pyridazine-6-carboxylate

: 1231994-89-0
butyl 3-[3-(5-bromopyrimidin-2-yl)benzyl]-1,2,4-triazolo[4,3-b]pyridazine-6-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1.1: potassium acetate / (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / N,N-dimethyl-formamide / 96 h / 80 °C

2.1: potassium carbonate / (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / toluene; ethanol / 20 h / 80 °C

2.2: 24 h / 80 °C

2.3: pH 6

3.1: hydrazine hydrate / methanol / 20 h / 70 °C

4.1: potassium iodide / 130 °C

With potassium acetate; potassium carbonate; hydrazine hydrate; potassium iodide; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; In methanol; ethanol; N,N-dimethyl-formamide; toluene;